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How To Read Engineering Drawing Ppt. Other uses of lettering include Dimensions and Notes on the engineering drawing. Must be evenly distributed structured and not duplicated. Drawing just like photography is one of the basic forms of visual communication. - PowerPoint presentation - Material available on course website Lecture to be done on boardscreen.
They are all artistically enhanced with visually stunning color shadow and lighting effects. The engineering drawing is the specification for the component or assembly and. FIGURE 21 Use of projection and dimensioning Arrcwheads are drawn open or solid about g mm long I mm wide projection lines are lines and may cross are thin lines 2mm past dimension ine mm gap rowheads should touch projection lines at extremities the dimension are on the outside of projection for smaller Dimension line is drawn parallel to. Symbol denoting the method of projection. Drawing must state the scale used to fit the component onto the drawing sheet. Engineering graphics is used in the design process for visualization communication and.
There are two major types of drawings.
When reading a Engineering drawing one needs to communicate how the different views was taken from a three dimensional 3D object. Other uses of lettering include Dimensions and Notes on the engineering drawing. Enough orthogonal views. 110 French Curves 2 Drawing Standards. Unidirectional System In the unidirectional system the dimensions are so oriented such that they can be read from the bottom of the drawing. Isometric Projection Isometric projection is a method for visually representing three-dimensional objects in two dimensions in technical and engineering drawings Isometric drawings consist of two-dimensional drawings that are tilted at some angle to expose other views and give the viewer the illusion that what he or she is viewing is a three-dimensional drawing.
